
*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
ul,ol{
    list-style: none;
}

.box{
    padding: 50px;
    width: 1200px;
    height: 700px;
    margin:100px auto 0;
    background:#999;
    display: flex;
    justify-content: space-between;
    .left{
        width: 500px;
        height: 600px;
        // background: yellow;
    }
    .right{
        width: 500px;
        height: 600px;
        // background: green;
    }
}
.left{
    ul{
        padding-top:50px ;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-around;
            li{
                width:30%;
                height: 150px;
                background: #ccc;
                margin-bottom: 20px;
                text-align: center;
                line-height: 150px;
                font-size: 40px;
                font-weight: 900;
                // &:hover{
                //     color: red;
                // }
            }
    }
    
}
.right{
    display: flex;
    flex-direction: column;
    justify-content: center;
    .range{
        width: 400px;
        margin:0 auto;
    }
    .name{
        width: 300px;
        height: 100px;
        background: #666;
        margin:0 auto 60px;
        text-align: center;
        line-height: 100px;
        font-size: 30px;
        font-weight: 900;
    }
    .btn{
       margin:60px auto;
       font-size: 30px;
       font-weight: 900;
        div{
            width: 100px;
            height: 40px;
            background: #666;
            border: 3px solid #000;
            &:after{
                content: "";
                display: block;
                width: 47px;
                height: 34px;
                background: blue;
            }
        }
    }
}
// .active{
//     background: !important;
// }
.active:after{
    margin-left: 47px;
    // background: red!important;
}